Students are dismissed from Sam Tasby Middle School on October 1, 2014 in Dallas, Texas. Officials confirmed that a student, who had contact with the first confirmed Ebola virus patient in the United States, attends classes at the school. State and local officials are working with federal officials to monitor other individuals that had contact with the confirmed patient. (Photo by Tom Pennington/News/Getty Images)

Students are dismissed from Sam Tasby Middle School on October 1, 2014 in Dallas, Texas. Officials confirmed that a student, who had contact with the first confirmed Ebola virus patient in the United States, attends classes at the school. State and local officials are working with federal officials to monitor other individuals that had contact with the confirmed patient. (Photo by Tom Pennington/News/Getty Images)

Students are dismissed from Sam Tasby Middle School on October 1, 2014 in Dallas, Texas. Officials confirmed that a student, who had contact with the first confirmed Ebola virus patient in the United States, attends classes at the school. State and local officials are working with federal officials to monitor other individuals that had contact with the confirmed patient. (Photo by Tom Pennington/News/Getty Images)

A private security guard patrols The Ivy Apartments, where the confirmed Ebola virus patient was staying on October 1, 2014 in Dallas, Texas. The first confirmed Ebola virus patient in the United States was staying with family members at The Ivy Apartment complex before being treated at Texas Health Presbyterian Hospital Dallas. State and local officials are working with federal officials to monitor other individuals that had contact with the confirmed patient. (Photo by Tom Pennington/News/Getty Images)

A sign stands near the Ivy Apartments, where the confirmed Ebola virus patient was staying on October 1, 2014 in Dallas, Texas. The first confirmed Ebola virus patient in the United States was staying with family members at The Ivy Apartment complex before being treated at Texas Health Presbyterian Hospital Dallas. State and local officials are working with federal officials to monitor other individuals that had contact with the confirmed patient. (Photo by Tom Pennington/News/Getty Images)